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FLORIDA WASTEWATER FINAL EXAM 3 VERSIONS
2025/2026 BANK COMPLETE 600 QUESTIONS WITH
DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level
disinfection is described as: ......answer.....A chlorine residual of
0.5 mg/L for 15 minutes at peak hourly flow
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall
be verbally reported to the state warning point no later than:
......answer.....24hrs from discovery
What is the 'rule of thumb' regarding pump packing?
......answer.....Never put rings of new packing over the old
packing
According to FDEP chapter 62-60, FAC, a composite sample shall
be used for which test? ......answer.....Effluent CBOD
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Chlorine residual can be measured in several ways, including the
use of DPD reagent, spectrophotometers and iodometric titration.
Which of the following is also an approved method?
......answer.....Amperometric Titration
Chapter 62-601, Domestic wastewater treatment plant monitoring,
states that on-site tests for total residual chlorine, pH, and _______
can be performed under the direction of a certified operator:
......answer.....Dissolved Oxygen(DO)
Starting this type of pump against a closed valve can cause major
damage to the pump, pump piping, the operator, or all three
......answer.....Positive displacement pump
These types of samples may be used for CBOD5 and nutrients at
flows less than 100,000 GPD, according to chapter 62-601
......answer.....Grab samples
According to FDEP chapter 62-602, drinking water and wastewater
treatment plant operators, duties of operators includes reporting to
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the permittee and the department, as soon as possible, but within
24hrs: ......answer.....Any major interruption of service
What could cause a centrifugal above ground pump to be noisy
while running ......answer.....Debris caught in the impeller
housing
According to FDEP chapter 62-601 FAC, Domestic wastewater
treatment plant monitoring, discharge monitoring reports (DMRs)
for the previous month must be submitted to the department by
the ____________ day of the current month? ......answer.....28th
day
FDEP chapter 62-600 FC, domestic wastewater facilities, states that
all treatment plants shall be____________ ......answer.....Fenced
As the operator of a primary clarifier, you notice a black and
odorous septic wastewater leaving the clarifier. What is the
probable cause? ......answer.....Improper sludge removal
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A fire has started in the maintenance shop due to an ignition of
petroleum oil. Which type of fire extinguisher should NOT be used
to fight the fire? ......answer.....Pressurized water
Chlorine gas is how many times heavier than air ......answer.....2.5
The combination of methane and ____________ can be very
combustible ......answer.....Oxygen
Plant effluent coliform count fails to meet the required standards
for disinfection. Chlorine residual is normal. Disinfectant supplies
ARE NOT a problem. What is the probable cause?
......answer.....Contact time too short
A fixed sample is: ......answer.....A sample purposely spiked by
the lab technician for QA/QC
FLORIDA WASTEWATER FINAL EXAM 3 VERSIONS
2025/2026 BANK COMPLETE 600 QUESTIONS WITH
DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level
disinfection is described as: ......answer.....A chlorine residual of
0.5 mg/L for 15 minutes at peak hourly flow
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall
be verbally reported to the state warning point no later than:
......answer.....24hrs from discovery
What is the 'rule of thumb' regarding pump packing?
......answer.....Never put rings of new packing over the old
packing
According to FDEP chapter 62-60, FAC, a composite sample shall
be used for which test? ......answer.....Effluent CBOD
,2|Page
Chlorine residual can be measured in several ways, including the
use of DPD reagent, spectrophotometers and iodometric titration.
Which of the following is also an approved method?
......answer.....Amperometric Titration
Chapter 62-601, Domestic wastewater treatment plant monitoring,
states that on-site tests for total residual chlorine, pH, and _______
can be performed under the direction of a certified operator:
......answer.....Dissolved Oxygen(DO)
Starting this type of pump against a closed valve can cause major
damage to the pump, pump piping, the operator, or all three
......answer.....Positive displacement pump
These types of samples may be used for CBOD5 and nutrients at
flows less than 100,000 GPD, according to chapter 62-601
......answer.....Grab samples
According to FDEP chapter 62-602, drinking water and wastewater
treatment plant operators, duties of operators includes reporting to
,3|Page
the permittee and the department, as soon as possible, but within
24hrs: ......answer.....Any major interruption of service
What could cause a centrifugal above ground pump to be noisy
while running ......answer.....Debris caught in the impeller
housing
According to FDEP chapter 62-601 FAC, Domestic wastewater
treatment plant monitoring, discharge monitoring reports (DMRs)
for the previous month must be submitted to the department by
the ____________ day of the current month? ......answer.....28th
day
FDEP chapter 62-600 FC, domestic wastewater facilities, states that
all treatment plants shall be____________ ......answer.....Fenced
As the operator of a primary clarifier, you notice a black and
odorous septic wastewater leaving the clarifier. What is the
probable cause? ......answer.....Improper sludge removal
, 4|Page
A fire has started in the maintenance shop due to an ignition of
petroleum oil. Which type of fire extinguisher should NOT be used
to fight the fire? ......answer.....Pressurized water
Chlorine gas is how many times heavier than air ......answer.....2.5
The combination of methane and ____________ can be very
combustible ......answer.....Oxygen
Plant effluent coliform count fails to meet the required standards
for disinfection. Chlorine residual is normal. Disinfectant supplies
ARE NOT a problem. What is the probable cause?
......answer.....Contact time too short
A fixed sample is: ......answer.....A sample purposely spiked by
the lab technician for QA/QC
